Colour blindness
VisCheck (via diveintomark’s continuing series on web accessibility) simulates a colour-blind viewing of your web page.
Mark’s article boils down to: don’t distinguish stuff from other stuff solely by colour. I pretty much try and stick to this, mainly because I miss links that are only on colour and I’m not even remotely colour-blind :-) Good advice, though, as is the rest of his 30 days to a more accessible weblog series.
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